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103 lines
2.8 KiB
103 lines
2.8 KiB
// Discordgo - Discord bindings for Go
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// Available at https://github.com/bwmarrin/discordgo
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// Copyright 2015-2016 Bruce Marriner <bruce@sqls.net>. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// This file contains code related to discordgo package logging
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package discordgo
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import (
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"fmt"
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"log"
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"runtime"
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"strings"
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)
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const (
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// LogError level is used for critical errors that could lead to data loss
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// or panic that would not be returned to a calling function.
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LogError int = iota
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// LogWarning level is used for very abnormal events and errors that are
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// also returned to a calling function.
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LogWarning
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// LogInformational level is used for normal non-error activity
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LogInformational
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// LogDebug level is for very detailed non-error activity. This is
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// very spammy and will impact performance.
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LogDebug
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)
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// Logger can be used to replace the standard logging for discordgo
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var Logger func(msgL, caller int, format string, a ...interface{})
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// msglog provides package wide logging consistancy for discordgo
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// the format, a... portion this command follows that of fmt.Printf
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// msgL : LogLevel of the message
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// caller : 1 + the number of callers away from the message source
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// format : Printf style message format
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// a ... : comma separated list of values to pass
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func msglog(msgL, caller int, format string, a ...interface{}) {
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if Logger != nil {
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Logger(msgL, caller, format, a...)
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} else {
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pc, file, line, _ := runtime.Caller(caller)
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files := strings.Split(file, "/")
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file = files[len(files)-1]
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name := runtime.FuncForPC(pc).Name()
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fns := strings.Split(name, ".")
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name = fns[len(fns)-1]
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msg := fmt.Sprintf(format, a...)
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log.Printf("[DG%d] %s:%d:%s() %s\n", msgL, file, line, name, msg)
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}
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}
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// helper function that wraps msglog for the Session struct
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// This adds a check to insure the message is only logged
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// if the session log level is equal or higher than the
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// message log level
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func (s *Session) log(msgL int, format string, a ...interface{}) {
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if msgL > s.LogLevel {
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return
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}
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msglog(msgL, 2, format, a...)
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}
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// helper function that wraps msglog for the VoiceConnection struct
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// This adds a check to insure the message is only logged
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// if the voice connection log level is equal or higher than the
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// message log level
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func (v *VoiceConnection) log(msgL int, format string, a ...interface{}) {
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if msgL > v.LogLevel {
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return
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}
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msglog(msgL, 2, format, a...)
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}
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// printJSON is a helper function to display JSON data in a easy to read format.
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/* NOT USED ATM
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func printJSON(body []byte) {
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var prettyJSON bytes.Buffer
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error := json.Indent(&prettyJSON, body, "", "\t")
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if error != nil {
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log.Print("JSON parse error: ", error)
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}
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log.Println(string(prettyJSON.Bytes()))
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}
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*/
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